* [android] base64 font-face support for android

apache · Jan 29, 2018 · 3976636 · 3976636
1 parent 27b1714
commit 3976636
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Showing 3 changed files with 27 additions and 4 deletions.
diff --git a/android/sdk/src/main/java/com/taobao/weex/common/Constants.java b/android/sdk/src/main/java/com/taobao/weex/common/Constants.java
@@ -341,6 +341,7 @@ public interface Scheme {
     String HTTPS = "https";
     String HTTP = "http";
     String LOCAL = "local";
+    String DATA = "data";
   }
 
   public interface CodeCache {

diff --git a/android/sdk/src/main/java/com/taobao/weex/utils/FontDO.java b/android/sdk/src/main/java/com/taobao/weex/utils/FontDO.java
@@ -20,7 +20,9 @@
 
 import android.graphics.Typeface;
 import android.net.Uri;
+import android.text.TextUtils;
 
+import com.alibaba.fastjson.util.Base64;
 import com.taobao.weex.WXEnvironment;
 import com.taobao.weex.WXSDKInstance;
 import com.taobao.weex.adapter.URIAdapter;
@@ -44,6 +46,7 @@ public class FontDO {
   public final static int TYPE_FILE = 2;
   public final static int TYPE_LOCAL = 3;
   public final static int TYPE_NATIVE = 4;
+  public final static int TYPE_BASE64 = 5;
 
 
   public FontDO (String fontFamilyName, String src, WXSDKInstance instance) {
@@ -78,7 +81,6 @@ private void parseSrc(String src, WXSDKInstance instance) {
       }
       mUrl = uri.toString();
       try {
-
         String scheme = uri.getScheme();
         if (Constants.Scheme.HTTP.equals(scheme) ||
                 Constants.Scheme.HTTPS.equals(scheme)) {
@@ -88,7 +90,26 @@ private void parseSrc(String src, WXSDKInstance instance) {
           mUrl = uri.getPath();
         } else if (Constants.Scheme.LOCAL.equals(scheme)){
           mType = TYPE_LOCAL;
+        } else if (Constants.Scheme.DATA.equals(scheme)) {
+          long start = System.currentTimeMillis();
+          String[] data = mUrl.split(",");
+          if (data != null && data.length == 2) {
+            String identify = data[0];
+            if (!TextUtils.isEmpty(identify) && identify.endsWith("base64")) {
+              //Do not check mime type and charset for now
+              String base64Data = data[1];
+              if (!TextUtils.isEmpty(base64Data)) {
+                String md5 = WXFileUtils.md5(base64Data);
+                String filePath = WXEnvironment.getApplication().getCacheDir() + "/font-family/" + md5;
+                WXFileUtils.saveFile(filePath, Base64.decodeFast(base64Data), WXEnvironment.getApplication());
+                mUrl = filePath;
+                mType = TYPE_BASE64;
+                WXLogUtils.d("TypefaceUtil", "Parse base64 font cost " + (System.currentTimeMillis() - start) + " ms");
+              }
+            }
+          }
         } else {
+          WXLogUtils.e("TypefaceUtil", "Unknown scheme for font url: " + mUrl);
           mType = TYPE_UNKNOWN;
         }
         mState = STATE_INIT;

diff --git a/android/sdk/src/main/java/com/taobao/weex/utils/TypefaceUtil.java b/android/sdk/src/main/java/com/taobao/weex/utils/TypefaceUtil.java
@@ -139,7 +139,8 @@ public static void loadTypeface(final FontDO fontDo) {
       } else if (fontDo.getType() == FontDO.TYPE_NETWORK) {
         final String url = fontDo.getUrl();
         final String fontFamily = fontDo.getFontFamilyName();
-        final String fileName = url.replace('/', '_').replace(':', '_');
+        final String fileName = WXFileUtils.md5(url);
+        //url.replace('/', '_').replace(':', '_');
         File dir = new File(getFontCacheDir());
         if(!dir.exists()){
           dir.mkdirs();
@@ -148,7 +149,7 @@ public static void loadTypeface(final FontDO fontDo) {
         if (!loadLocalFontFile(fullPath, fontFamily, false)) {
           downloadFontByNetwork(url, fullPath, fontFamily);
         }
-      } else if (fontDo.getType() == FontDO.TYPE_FILE) {
+      } else if (fontDo.getType() == FontDO.TYPE_FILE || fontDo.getType() == FontDO.TYPE_BASE64) {
         boolean result = loadLocalFontFile(fontDo.getUrl(), fontDo.getFontFamilyName(), false);
         if (!result) {
           fontDo.setState(FontDO.STATE_FAILED);
@@ -274,6 +275,6 @@ public void run() {
   }
 
   private static String getFontCacheDir() {
-    return WXEnvironment.getDiskCacheDir(WXEnvironment.getApplication()) + "/" + FONT_CACHE_DIR_NAME;
+    return WXEnvironment.getApplication().getCacheDir() + "/" + FONT_CACHE_DIR_NAME;
   }
 }